Keystones — Bedrock

Five GCSE retrieval questions · 24 April 2026 · mathsvault.uk/keystones

1. Number

Calculate: ²⁄₇ + ²⁄₇

Answer: ⁴⁄₇
2. Algebra

Simplify: 9x + 6x

Answer: 15x
3. Geometry

Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

Answer: 60° (approximately)
4. Ratio

Simplify the ratio 15:40

Answer: 3:8
5. Statistics

What is the probability of getting heads when flipping a fair coin?

Answer: ¹⁄₂

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